# AI Caption Generator vs FastCap

The clearest difference is update cadence: FastCap at every 8 days against AI Caption Generator's every 3 weeks. FastCap also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Caption Generator sells 6 in-app purchases, starting at $7.99 per 7 days and FastCap sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

AI Caption Generator ships an update every 3 weeks, FastCap every 8 days. The most recent releases landed on November 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AI Caption Generator | FastCap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 46 MB | 99 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eray Endes](https://appshunter.io/developer/1598523222) | [Indra Poudel](https://appshunter.io/developer/1768246423) |

## What reviewers say

### AI Caption Generator

[App page](https://appshunter.io/ios/app/ai-caption-generator-postmate/id6502901728)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $7.99 | per 7 days |
| Yearly Plan | $29.99 | per year |
| Monthly Plan | $31.99 | per month |
| 2 Month Plan | $63.99 | per 2 months |
| 3 Month Plan | $95.99 | per 3 months |
| 6 Month Plan | $191.99 | per 6 months |


### FastCap

[App page](https://appshunter.io/ios/app/fastcap-caption-for-video/id6680190214)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastCap | $1.99 | per month |
| FastCap | $12.99 | per year |


## Frequently asked questions

### Is AI Caption Generator free?

AI Caption Generator is free to download, with in-app purchases available.

### Is FastCap free?

FastCap is free to download, with in-app purchases available.

### Do AI Caption Generator or FastCap have ads?

Neither AI Caption Generator nor FastCap shows ads.

### Which is updated more often, AI Caption Generator or FastCap?

AI Caption Generator ships an update every 3 weeks, and FastCap every 8 days. Most recently, AI Caption Generator was updated on November 8, 2026 and FastCap on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*